Oil tank for a motorcycle



FIG. 1 is a perspective view of an oil tank for a motorcycle.

FIG. 2 is a side view of the oil tank of FIG. 1.

FIG. 3 is a side view of the oil tank of FIG. 1.

FIG. 4 is a front view of the oil tank of FIG. 1.

FIG. 5 is a rear view of the oil tank of FIG. 1.

FIG. 6 is a bottom view of the oil tank of FIG. 1; and,

FIG. 7 is a top view of the oil tank of FIG. 1.

The broken line showing of the environment forms no part of the claimed design. 

We claim the ornamental design for a oil tank for a motorcycle, as shown and described. 